Unexpected center surface is filled

[liulianfan]

mapbox-gl-js version:
v2.0.1
browser:
chrome 87.0.4280.141（正式版本） (x86_64)

Steps to Trigger Behavior

<title>Polygon</title> <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v2.0.1/mapbox-gl.js'></script> <style> body { margin: 0; padding: 0; }

    #map {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 100%;
    }
</style>

<div id='map'></div>
<script>
    mapboxgl.accessToken = '*';
    const map = new mapboxgl.Map({
        container: 'map',
        style: 'mapbox://styles/mapbox/light-v9',
        center: [121.52607779955963,31.233080259741023],
        zoom: 19
    });

    map.on('load', function () {
        map.addLayer({
            "id": "test",
            'type': 'fill',
            "source": {
                "type": "geojson",
                "data": {"type":"FeatureCollection","features":[{"type":"Feature","properties":{},"geometry":{"type":"Polygon","coordinates":[[[121.52607779955963,31.233080259741023],[121.52607780000392,31.233080259947695],[121.52607780793228,31.233080262058834],[121.52607781583234,31.233080264245807],[121.52607781633466,31.233080264296188],[121.52607781681756,31.23308026442477],[121.52607782507529,31.233080265172788],[121.5260778333225,31.233080265999885],[121.52607783382669,31.233080265965494],[121.52607783432964,31.233080266011065],[121.52607784259928,31.233080265367196],[121.5260778508768,31.23308026480265],[121.52607785136345,31.233080264684812],[121.52607785186714,31.233080264645604],[121.52607785983102,31.23308026263459],[121.52607786782065,31.233080260700074],[121.52607786827106,31.23308026050334],[121.52607786875613,31.23308026038085],[121.52607787610798,31.23308025708007],[121.52607788350291,31.23308025384986],[121.52607788389977,31.23308025358175],[121.52607788434756,31.233080253380702],[121.52607789080477,31.233080248917137],[121.52607789732086,31.233080244515236],[121.52607789764896,31.233080244186063],[121.52607789804226,31.233080243914202],[121.52607790335698,31.233080238459245],[121.52607790874356,31.233080233054924],[121.52607790899025,31.233080232677352],[121.52607790931394,31.2330802323451],[121.52607791328188,31.233080226108516],[121.52607791733199,31.233080219909358],[121.5260779174878,31.23308021949787],[121.52607791772948,31.233080219118012],[121.52612345510852,31.232988140627068],[121.52612346031889,31.232988126355803],[121.52612346219743,31.23298811149184],[121.52612346067296,31.232988096598266],[121.52612345580327,31.232988082239324],[121.52612344777282,31.232988068958967],[121.52612343688581,31.232988057260314],[121.52612342355474,31.232988047586566],[121.52612340828459,31.232988040304193],[121.52608440217833,31.232973492906744],[121.52602315137419,31.232950650148254],[121.52602313433097,31.232950645456693],[121.52602311653814,31.23295064374848],[121.52602309870254,31.232950645091464],[121.52602308153267,31.232950649432297],[121.52602306571065,31.232950656598543],[121.52602305186504,31.232950666305495],[121.52602304054582,31.232950678167565],[121.52602303220267,31.23295069171351],[121.52602297060217,31.232950821729585],[121.52596169097215,31.232927967883768],[121.52596169139622,31.23292778001587],[121.52596168975177,31.232927765236916],[121.52596168481314,31.232927751004492],[121.5259616767648,31.23292773785024],[121.5259616659074,31.232927726265515],[121.52596165264652,31.232927716683076],[121.52596163747751,31.232927709460874],[121.52592293946326,31.232913277631454],[121.52592292241332,31.23291327293871],[121.52592290461348,31.23291327123164],[121.5259228867714,31.2329132725781],[121.52592286959637,31.23291327692457],[121.52592285377125,31.232913284098235],[121.52592283992516,31.232913293813887],[121.52592282860856,31.232913305685308],[121.52592282027138,31.2329133192405],[121.525878973418,31.23300602720824],[121.52587896850488,31.233006041399314],[121.52587896686583,31.233006056132623],[121.52587896856171,31.233006070861265],[121.52587897352956,31.233006085038397],[121.52587898158495,31.233006098137714],[121.52587899242882,31.233006109672925],[121.5258790056586,31.233006119215798],[121.52587902078315,31.233006126412057],[121.52594500683315,31.233030736069995],[121.52601246712123,31.23305589474742],[121.52607779907845,31.23308025960782],[121.52607779955963,31.233080259741023]],[[121.52607778763564,31.23308008774062],[121.52601253894744,31.233055753934494],[121.52594507866041,31.2330305952574],[121.52587917275845,31.233006015490837],[121.5259229522301,31.23291344999229],[121.52596151161973,31.232927830123767],[121.52596151119566,31.23292801799118],[121.52596151284008,31.232928032770022],[121.52596151777864,31.232928047002343],[121.52596152582686,31.23292806015653],[121.52596153668411,31.232928071741206],[121.52596154994484,31.232928081323646],[121.52596156511366,31.232928088545897],[121.5260229833161,31.232950994071388],[121.52602300035936,31.232950998763023],[121.52602301815222,31.232951000471314],[121.5260230359879,31.23295099912838],[121.52602305315783,31.232950994787572],[121.52602306897992,31.232950987621336],[121.52602308282562,31.23295097791436],[121.52602309414489,31.232950966052268],[121.52602310248805,31.232950952506297],[121.52602316408876,31.232950822489816],[121.52608433035135,31.23297363371953],[121.52612325503551,31.23298815075043],[121.52607778763564,31.23308008774062]]]}}]}
            },
            'paint': {
                'fill-color': '#29B2C0'
            },
        });
    });
    map.on('click', ()=>{
        console.info(map.getZoom());
    })
</script>

1. When the level is greater than 18

2. When the level is greater than 17 and less than 18
   

3. When the level is less than 17

Link to Demonstration

Expected Behavior

The center plane should not be filled

Actual Behavior

The center surface is filled between 17 and 18 levels

[mourner]

This is very likely #7023. The rings are very closely positioned, so it's easy to introduce a degeneracy like touching / intersecting rings when simplifying the data for a zoom level.